GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07
MD5cc7741574e6a9bc0c8d0b90c73ce3326
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Named525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: d525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07
  • MD5: cc7741574e6a9bc0c8d0b90c73ce3326

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: d525c8c583b311ed"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 d525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07 # MD5 cc7741574e6a9bc0c8d0b90c73ce3326
TypeValueNote
sha256 d525c8c583b311edfe0e14d3090114839cbfe95284f6890aa6e2756164765a07 Sample:GandCrab
md5 cc7741574e6a9bc0c8d0b90c73ce3326 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi